8 th Grade Science Atomic Structure and Periodic Table Review

1. 8th Grade Science Atomic Structure and Periodic Table Review

3. #1 Matter that is made up of only one kind of atom . Atomic Number Element A: B: Family or Group Atomic Mass C: D:

4. B. Element

5. #2 A negatively charged particle that is part of every kind of matter. Electron Proton A: B: Neutron Scantron C: D:

6. A. Electron

7. #3 A positively charged particle that is present in the nucleus of all atoms. Scantron Neutron A: B: Proton Electron C: D:

8. C. Protron

9. #4 What is uncharged particle in the nucleus of an atom? Proton Electron A: B: Scantron Neutron C: D:

10. D. Neutron

11. #5 What is the region surrounding the nucleus in which the electrons move about? Electron Cloud Proton Cloud A: B: Neutron Cloud Scantron Cloud C: D:

12. A. Electron Cloud

13. #6 The Atomic Number The number of protons in the nucleus of an atom. How many protons are in the above atom? 8 4 A: B: 12 None of these C: D:

14. B. 4

15. #7 What is the number of neutrons plus the protons in the nucleus of an atom? Neutrons + Protons = ________ Atomic Number Atomic Matter A: B: Atomic Element Atomic Mass C: D:

16. D. Atomic Mass

17. #8 What is the atomic mass of this Neon atom? 10 8 A: B: 20 2 C: D:

18. C. 20

19. #9 What is an element that is malleable, ductile, has luster, and is a good conductor of heat and electricity. Gases Nonmetal A: B: Transition Metals Metal C: D:

20. D. Metal

21. #10 What are the horizontal rows called? There are 7 of them. Groups Malleable A: B: Period Ductile C: D:

22. C. Period

23. #11 What are the elements that show properties of both metals and nonmetals? Astroids Metalloids A: B: Transition Metals Nonmetals C: D:

24. B. Metalloids

25. #12 What elements that are gases or brittle solids and poor conductors of heat and electricity. Nonmetals Metals A: B: Metalliods Transition Metals C: D:

26. A. Nonmetals

27. #13 A column of elements that have similar physical or chemical properties. There are 18 of them. Family or Groups Format or Group A: B: Family of Gases Family or Format C: D:

28. A. Family or Group

29. #14 What elements are included in the Noble Gases? Neon, Helium, Argon, Krypton, Xenon, Radium Neon, Helium, Argon, Krypton, Xerox, Radon A: B: Neon, Helium, Argon, Krypton, Xenon, Radon Neon, Helium, Argon, Krystal, Xenon, Radon C: D:

30. D. Neon, Helium, Argon, Krypton, Xenon, Radon

31. #15 What group number are the Noble gases found in? 56 18 A: B: 25 16 C: D:

32. B. 18

33. #16 What is the average atomic mass of Iron(Fe)? 56 16 A: B: C: D: 46 66

34. A. 56

35. #17 What is the symbol for Calcium? C Cal A: B: CA C: D: Ca

36. C. Ca

37. #18 What is the atomic number for Sulfur? 56 16 A: B: C: D: 7 18

38. B. 16

39. #19 What are the properties of nonmetals? Luster, brittle, low melting point, do not conduct heat or electricity. Dull, brittle, high melting point, do not conduct heat or electricity. A: B: Dull, brittle, low melting point, conductor of heat or electricity. Dull, brittle, low melting point, do not conduct heat or electricity. C: D:

40. D. Dull, brittle, low melting point, do not conduct heat or electricity.

41. #20 What are the elements that would probably have the physical and chemical properties most similar to Nitrogen(N)? Phosphorus, Arsenic, Antimony, Bismuth Phosphorus, Arsenic, Antimony, Bisque A: B: Phosphorus, Arsenic, Antibodies, Bismuth Phosphorus, Arson, Antibodies, Bismuth C: D:

42. A. Phosphorus, Arsenic, Antimony, Bismuth

43. #21 Elements in the Periodic Table are arranged in order of increasing _____. Atomic Mass Family or Group A: B: Atomic Number Ductile C: D:

44. C. Atomic Number

45. #22 A Bohr model of oxygen has… *8 protons *8 neutrons *8 electrons How many electrons are in the first & second energy level? 1 in the first & 7 in the second 2 in the first & 6 in the second A: B: 3 in the first & 5 in the second 1 in the first & 7 in the second C: D:

46. B. 2 in the first & 6 in the second

47. Great Job!!!! Thank you for playing!